class CreateUsergroups < ActiveRecord::Migration
  def self.up
    create_table "usergroups" do |t|
		t.integer "group_id", :null => false
		t.integer "user_id",  :null => false
		t.column :created_at, :datetime
	  end
  end

  def self.down
    drop_table :usergroups
  end
end
